Yu Bai Zhi (angelica dahurica)

Yu Bai Zhi is the trade name for angelica dahurica of Yuzhou. It’s the dry root of the Umbellifarae plant, angelica dahurica. Yu Bai Zhi is a traditional plant of Yuzhou and a collective name for angelica daurica produced in Yuzhou and its surrounding areas. The plant of Bai Zhi is in a shape of taper cone. Roots of Bai Zhi have concentric circle textures, yellow-grey and yellow-brown and brown spotted skins, and white powder cross sections, and the xylem is about one third of cross sections.